1812-482-2932
Installation
Instructions
Recommended Tools
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Part # 11380201 - 99-06 Silverado CoilOver System
Front Components:
11382899 Front Lower StrongArms
11383699 Front Upper StrongArms
11389300 Front Spindles and Caliper Brackets
11383510 Front Coilovers
11389100 Front MuscleBar
Rear Components:
11387199 Rear StrongArm System
11386510 Rear Coilover Instructions
Miscellaneous Components:
85000000 Spanner Wrench
99-06 Silverado Coilover System
Installation Instructions
Table of contents
Pages 2-4........... Front Coilovers
Pages 5-8............Lower StrongArms
Pages 9-11......... Upper StrongArms
Pages 12..............Spindles
Pages 13-15........ Front MuscleBar
Pages 16-37........ Rear 4Link
Pages 38-39.........Rear CoilOver
Pages 40-41.........Final Adjusting and Preloading the Spring
THIS KIT WILL NOT WORK ON TRUCKS WITH TORSION BARS!!
REV5 8/2/2022
2
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Installation
Instructions
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Recommended Tools
Part # 11383510 - 99-06 Silverado Front HQ Series CoilOvers
1999-2006 Silverado HQ Series Front CoilOvers
Installation Instructions
CoilOver Dimensions:
Center of bearing to Center of bearing:
Compressed: 10.13”
Ride Height: 12.50”
Extended: 14.23”
Table of contents
Page 3.......... Included Components
Page 4......... CoilOver Installation
3812-482-2932
Installation
Instructions
Major Components .....In the box
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Item
#Part # Description QTY
1 982-10-804 4.1” Stroke HQ Series Shock 2
2 815-05-022 Upper Shock Eyelet 2
3 59100800 Coilspring 10” 800lb 2
4 70010828 Delrin Spring Washer 2
5 803-00-109(kit) Lower Spring Adjuster Nut (803-00-199 kit) 2
6 803-00-199(kit) Adjuster Nut Locking Screw (803-00-199 kit) 2
7 803-00-199(kit) Upper CoilSpring Retaining Plate (803-00-199 kit) 2
8 803-00-199(kit) CoilSpring Plate Retaining Ring (803-00-199 kit) 2
9 90000097 Upper Mounting Plate 2
10 90002043 Upper Shock Bearing Spacers 4
11 90002062 Lower Bearing Spacers (INCLUDED WITH STROGARMS) 4
12 90000359 Upper Shock Mount T-Bushing 2
13 99501018 1/2”-13 x 1 1/2” Carriage Bolt 2
14 99501010 1/2”-20 x 2 1/4” Hex Bolt 2
15 99502003 1/2”-20 Thin Nylok Nut 2
16 99502001 1/2”-13 Nylok Nut 2
17 99503001 1/2” Flat Washer 4
90001994 5/8” ID Bearing (installed in shock body & eyelet) 4
90001995 Bearing Snap Ring (installed in shock & eyelet body) 8
4
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Installation
Instructions
CoilOver Installation
1. Raise and support truck at a safe, comfortable
working height. Let the front suspension hang
freely.
2. Remove the coil spring, shock absorber,
bump stop, upper control arm, and lower
control arm. Refer to factory service manual for
proper disassembly procedure.
3. Install the CoilSpring on the CoilOver per
the instructions on Page 4.
4. Insert the carriage bolt through the square
hole in the upper mount. Insert a NARROW
Bearing Spacer into each side of the Upper
Eyelet. Slide the Eyelet of the CoilOver with the
Spacers installed into the Upper Mount. Bolt
the top of the CoilOver to the upper mount
using a 1/2” x 2 ¼” bolt and Nylok jam nut.
5. Raise the CoilOver up to the coil spring
mount with the carriage bolt sticking through
the factory shock hole. The hole is the frame
is larger than the bolt, so a step washer is
supplied. This should be installed on top of the
frame, followed by a ½” Nylok nut.
Note: The kidney bean shaped cutout in the
upper bracket will match a protrusion in the coil
spring pocket. This will clock the CoilOver so
that when the suspension moves the bearing
will rotate on the bolt. If this is not installed
properly it will damage the CoilOver.
5.
4.
Step Washer
Kidney Bean Protrusion
5812-482-2932
Installation
Instructions
Recommended Tools
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Table of contents
Page 6......... Included components
Page 7......... Getting Started
Page 8......... PosiLink Installation
1999-2006 Silverado Lower StrongArms
Installation Instructions
1999-2006 Silverado Lower ShockWave/CoilOver StrongArms
Part # 11382899
THIS KIT IS DESIGNED TO RAN WITH A 2” DROP SPINDLE.
RIDETECH PART #: 11389300
6
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Installation
Instructions
Lower Control Arm Components .....In the box
Item
#
Part
Number Description QTY
1 90000106 Driver Lower Control Arm (Shown) 1
1 90000107 Passenger Lower Control Arm 1
2 90000198 3.0” Inner Sleeve 4
3 90000199 3.5” Inner Sleeve 4
4 70010759 Delrin Bushing - with 2” Diameter Ledge 8
5 90002062 ShockWave/CoilOver Bearing Spacers 4
6 90000901 Lower Balljoint Assembly - Proforged # 101-10073 2
7 90000095 PosiLink T-Bushing 2
PosiLink Assembly
8 90000921 12mm 90 Degree PosiLink 2
9 90000922 12mm Straight PosiLink 2
10 90000096 PosiLink Spacer 2
11 99125002 M12 - 1.75 x 65mm Threaded Rod 2
Hardware Kit # 99010212
12 99502009 1/2” Nylok Nut 2
13 99501005 1/2”-13 x 3 1/2” Hex Bolt 2
14 99503014 1/2” SAE Flat Washer 2
15 99433002 7/16” Flat Washer 6
16 99122001 M12 - 1.75 Nylok Nut 4
17 99371014 3/8”-24 x 1 1/4” Hex Bolt 4
18 99372006 3/8”-24 Jam Nut 4
Driver Side Shown
Driver
Side
Shown
Driver Side Shown
Driver Side Shown
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7812-482-2932
Installation
Instructions
Getting Started.........
2.
DRIVER
3.
4.
SWAY BAR TAB
1. Remove the Lower Control Arms, CoilSprings,
Shocks, and sway bars linkage. Refer to the factory
service manual for disassembly procedure.
2. After removing the factory lower control arm,
clean the bushing mounting surfaces on the frame.
The Control Arms are marked “D” for Driver and
“P” for Passenger. The Balljoint Pin points down
and the Sway bar mount is on the front side of the
arm. Fasten the lower arm to the frame with the
OEM hardware. Torque to 120 ft-lbs.
Note: On some trucks the frame brackets may be
pinched and will need to be spread back apart to
allow the bushing to slide in.
Install the ShockWaves/CoilOvers
at this time. Refer to the CoilOver
instructions for Assembly.
3. Insert the Bearing Spacers into the lower shock
bearing. Swing the Control Arm up, line up the
1/2” holes with the bearing spacers, insert 1/2”-13
x 3 1/2” bolt. Install a 1/2” flat washer and nylok
nut.
4. Install the T-Bushing on the Straight PosiLink
end with the Large OD against the PosiLink. Insert
the assembly into the swaybar with the threads
pointing up. Install a 7/16” Flat Washer followed
by a M12-1.75 Nylok Nut. Torque to 50 ftlbs.
8
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Installation
Instructions
PosiLink Installation
5. Install a 7/16” Flat Washer onto the threads
of the 90 Degree PosiLink. Insert the PosiLink
into the swaybar tab on the control arm with
the threads pointing to the FRONT of the truck.
Install a 7/16” Flat Washer and M12 - 1.75
Nylok Nut and torque to 50 ftlbs.
5. Image 6 illustrates the correct assembly
and orientation of the PosiLink.
5.
6.
FRONT
9812-482-2932
Installation
Instructions
Recommended Tools
www.ridetech.com
Table of contents
Page 10......... Included components
Page 11......... Getting Started
Page 12......... PosiLink Installation
1999-2006 Silverado Upper StrongArms
Installation Instructions
1999-2006 Silverado Upper StrongArms
Part # 11383699
10
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Installation
Instructions
Upper Control Arm Components .....In the box
4
6
1
2
3
5
7
2.
Getting Started.........
1. Remove the Upper Control Arms. The Camber
Bolts need to be reinstalled in the same positions
they are removed from. We recommend marking
their positions for reassembly. Refer to the factory
service manual for disassembly procedure. After
removing the factory upper control arm, clean the
bushing mounting surfaces on the frame.
2. Insert the Ball Joint into the Control Arm from
the TOP side with the Stud pointing downward.
Insert the supplied Bolts from the top side. Install
a Lock Washer and Hex Nut on the threads of each
bolt. Torque the hardware to 20 ftlbs.
Item # Part Number Description QTY
1 90000630 Upper Control Arms 2
2 90000902 Upper Balljoint - Proforged # 101-10044 2
3 70010759 Delrin Control Arm Bushing 8
4 90001097 Delrin Bushing Inner Sleeve 4
5 90000902 KIT Upper Balljoint Bolts 8
6 90000902 KIT Upper Balljoint Hex Nuts 8
7 90000902 KIT Upper Balljoint Lock Washers 8
11 812-482-2932
Installation
Instructions
Getting Started.........
4.
5a.
.500”
5b.
3.
3. The Driver and Passenger Control Arms are
identical. Insert the Control Arm into the OEM
frame mount with the balljoint stud pointing down.
The Gussets of the Balljoint Plate should also point
down.
4. Bolt the arm to the frame using the factory
camber bolts. Torque to 140 ft-lbs.
5. Insert the balljoint into the spindle. You will
need to clearance the bottom of the taper with a
1/2” Drill bit. Refer to Images 5a & 5b. Image
5b illustrates the clearanced spindle taper. The
drawing is exaggerated for illustration purposes.
6. Slide the balljoint pin into the spindle and install
the castle nut on each one. Torque the balljoint nuts
and install cotter pins in each one.
Balljoint nut Torque Specs:
Torque to 50 ft llbs and then tighten nut to align
cotter pin hole not exceeding 90ft lbs.
12
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Installation
Instructions
Recommended Tools
Part # 11389300 - 1999-2006 Silverado Drop Spindles
Refer to the instructons included with the spindles except;
Balljoint nut Torque Specs:
Upper: Torque to 50 ft lbs and then tighten nut to align cotter pin hole not exceeding 90ft lbs.
Installation
www.ridetech.com
1999-2006 Silverado Drop Spindles
Installation Instructions
13 812-482-2932
Installation
Instructions
Recommended Tools
Table of contents
Page 14......... Included Components and Hardware List
Page 15......... MuscleBar Installation
Part # 11389100 - 1999-2006 Silverado Front MuscleBar
1999-2006 Silverado Front MuscleBar
Installation Instructions
14
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Installation
Instructions
Major Components .....In the box
Part # Description QTY
90001768 Front MuscleBar 1
Description QTY
Frame Bushing 2
Frame Bushing Strap 2
Lithium Grease 1
End Link Kit (for OEM Arms only) 2
End Link Bushings 8
End Link Spacer 2
End Link Bushing Washers 8
End Link Bolt & Nut Kit 2
Getting Started.........
Remove the OEM Swaybar to prepare for the MuscleBar SwayBar installation.
If using Ridetech StrongArms, the PosiLink Assembly is included with the lower StrongArms.
If you are using the OEM control arms, the end link kit provided with this kit will be used.
1. Use the supplied grease for the poly frame bushings. Apply a thin coat of grease to the inside of the
bushings.
2.
2. Open up the Poly SwayBar Bushings and
install them over the MuscleBar.
HARDWARE KIT COMPONENTS #90002759
15 812-482-2932
Installation
Instructions
MuscleBar Installation
3.
3. Slide the MuscleBar into position on the
truck. The SwayBar Arms will be above the
steering linkage. Install Bushing Straps Over
the Poly MuscleBar Bushing and bolt them in
place using the OEM hardware. Do not tighten
the hardware until the PosiLinks are hooked up
to the MuscleBar.
STRONGARM LINKAGE
4. Install the T-Bushing on the Straight PosiLink end
with the Large OD against the PosiLink. Insert the
assembly into the swaybar with the threads point-
ing up. Install a 7/16” Flat Washer followed by a
M12-1.75 Nylok Nut. Torque to 50 ftlbs. Next,
tighten the bushing mount hardware to 30 ftlbs.
OEM CONTROL ARM LINKAGE
5. Install the End Links. Use Diagram “5”
for proper installation. Tighten the Hex Nut
enough to slightly compress the Bushings.
4.
5.
SWAYBAR
CONTROL ARM
16
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Installation
Instructions
Recommended Tools
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Table of contents
Page 17-18.......... Included Components
Page 19-20.......... Hardware List & Disassembly
Page 21-25.......... C-Notch Installation
Page 26............... Axle Mount & Lower Shock Mount Installation
Page 27............... Installing Lower Bars
Page 28............... Upper Bar Installation
Page 28-31.......... Panhard Mount Installation
Page 32............... Panhard Bar Installation
Page 33............... Shockwave/CoilOvers Installation
Page 34............... Carrier Bearing Mount
Page 35-36.......... E-Brake Cable Relocation
Page 37............... Bed Modification & Bumpstop Installation
1999-2006 Silverado Rear Bolt-On 4-Link Suspension System
1999-2006 Silverado Rear Suspension
Installation Instructions
Part # 11387199
REV4 3/24/21
17 812-482-2932
Installation
Instructions
Major Components .....In the box
Item # Part # Description QTY
1 90003234 Driver C-Notch 1
2 90003235 Passenger C-Notch 1
3 90003236 Lower Axle Bracket 2
4 90001411 Upper Axle Mount 2
5 90003237 Panhard Axle Mount 1
6 90003238 Panhard Mount Clamp 1
7 90002804 C-Notch Nut Plate - Driver 1
8 90002805 C-Notch Nut Plate - Passenger 1
9 90001038 Lower Bars - 33.250” center to center 2
10 90003239 Upper Bars - 16.125” center to center 2
11 90003247 Panhard Bar - 35.00” center to center 1
12 90000311 C-Notch Spacer Plate - 1999 & 2000 Trucks 2
13 90000209 Carrier Bearing Spacer - used on carrier bearing equipped trucks 1
14 90000310 Transmission Spacer 1
15 90001318 RH R-Joint Threaded Housing 3
16 70002825 5/8” Shock Stud 2
17 90001624 Aluminum Lower Shock Mount 2
18 90002883 Lower 4 Link Bar Front T-Bushing 4
19 70013334 R-Joint Spacers - Panhard - .625” ID x .620” long 2
20 70013769 R-Joint Spacer - Lower Bars - Front - .625” ID x 1.240” Long 4
21 70013882 R-Joint Spacers - Upper Bars & Lower Rear - .625” ID x .740” long 12
22 70013949 R-Joint Spacers - Panhard Bar - .500” ID x .620” long 2
23 90000461 Panhard Stud 1
24 99752004 3/4”-16 Jam Nut - Installed on Upper Control Arm 3
25 70013322 Short Bumpstops 2
26 99626005 U-Bolt 5/8-18 3.13W x 6.06L, Square Shoulder 4
27 90002067 Lower Shock Bearing Spacers 4
28 70013683 C-Notch Template - Driver - NOT SHOWN 1
29 70013682 C-Notch Template - Passenger - NOT SHOWN 1
R-Joint Components - (Installed in bar ends)
70013279 Retaining Ring 7
70013280 Wavo Wave Spring 7
70013275 R-Joint Center Ball 7
70013276 R-Joint Composite Center Ball Cage 7
18
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Installation
Instructions
Major Components .....In the box
Install the Spacers by inserting the
SMALL side of the SPACER into the
Center Pivot Ball. Push them in until
they bottom out and stop.
LOWER FRONT
R-JOINT
ALL OTHER
R-JOINTS
R-JOINT SPACER
INSTALLATION
New R-Joints will be quite stiff (75-90 in/lbs breakaway torque) until they “break in” after a few miles
of use. After the break in period they will move much more freely. Because the composite bearing race
contains self lubricating ingredients, no additional lubrication is needed or desired. Any additional
lubrication will only serve to attract more dirt and debris to the R-Joint and actually shorten its life.
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19 812-482-2932
Installation
Instructions
Item # QTY Part Number Description
“C” NOTCH MOUNTING
30 34 99431021 7/16” x 1 1/4” USS Bolt
30 4 99431032 7/16” x 1 1/4” USS BHCS
31 26 99432010 7/16” USS Nylok Nut
32 64 99433005 7/16” SAE Flat Washer
33 16 99433003 7/16” Split Lock Washer
LOWER 4LINK BARS
34 2 99621007 5/8” x 5” SAE GR8 Bolt
35 2 99621004 5/8”x 3” SAE Gr. 8 Bolt
36 4 99622006 5/8” SAE Nylok Jam Nut
37 8 99623001 5/8” SAE Flat Washer
UPPER 4LINK BARS
38 2 99621004 5/8”x 3” SAE Bolt
39 2 99621018 5/8”x 3 1/4” SAE Bolt
40 4 99622006 5/8” SAE Nylok Jam Nut
41 8 99623001 5/8” SAE Flat Washer
LOWER SHOCK MOUNT
42 2 99501019 1/2”-13 x 1 1/4” Hex Bolt
43 2 99501046 1/2”-13 x 1 3/4” Hex Bolt
44 4 99502001 1/2”-13 Nylok Nut
45 4 99503001 1/2” SAE Flat Washer
AXLE BRACKET TO AXLE
46 8 99622013 5/8” SAE High Nut
47 8 99623010 5/8” SAE Flat Washer
BRAKE JUNCTION BLOCK
48 1 99311013 5/16-24 X 1 Hex Bolt
49 1 99313002 5/16 Flat Washer
50 1 99313003 5/16 Split Lock Washer
Hardware List .....In the box (Kit# 99010160)
The Hardware Kit contains bags to help aid in selecting the correct hardware for the component being installed. The
hardware list shows how the hardware is bagged.
Item # QTY Part Number Description
PANHARD AXLE BRACKET
51 2 99501046 1/2-13 X 1 3/4 Hex Bolt
52 2 99502009 1/2-13 Nylok Nut
53 4 99503001 1/2 Flat Washer
54 1 99561002 9/16-18 X 3 1/2 Hex Bolt
55 1 99562001 9/16-18 Nylok Nut
56 2 99566003 9/16 Flat Washer
PANHARD STUD
57 1 99562001 9/16-18 Nylok Nut
58 1 99566003 9/16 Flat Washer
PANHARD BAR MOUNTING
59 1 99501025 1/2-13 X 3 1/4 Hex Bolt
60 1 99502009 1/2-13 Nylok Nut
61 2 99503001 1/2 Flat Washer
62 1 99622006 5/8-18 Thin Nylok Nut
63 1 99623001 5/8 Flat Washer
UPPER SHOCK MOUNTING
64 2 99501064 1/2” x 2 3/4” USS Bolt
65 2 99502009 1/2” USS Nylok Nut
66 4 99503012 1/2” SAE Flat Washer
CARRIER BEARING MOUNT
67 4 99371003 3/8”-16 X 1” Hex Bolt
68 4 99372002 3/8”-16 Nylok Nut
69 8 99373003 3/8” SAE Flat Washer
SHOCK STUD
70 2 99432002 7/16”-20 Nylok Nut
71 2 99432002 7/16” SAE Flat Washer
72 4 99623004 5/8” SAE Flat Washer
BUMP STOPS
73 2 99373003 3/8” SAE Flat Washer
74 2 99372002 3/8”-16 Nylok Nut
Disassembly
Congratulations on your purchase of the Ridetech Rear 4 Link System. This system has been designed to give your
truck excellent handling along with a lifetime of enjoyment. Some of the key features of this system: C-notches to
give your suspension the travel it needs at the lowered height, 4Link setup to replace the leaf spring and provide
better control of the rear axle, and the biggest feature of all, it allows the use of Shockwaves or CoilOvers.
20
www.ridetech.com
Installation
Instructions
Disassembly
Note: This system is designed for use with the Ridetech Shockwaves or CoilOvers. The factory shocks
and springs or the factory sway bar will not fit this 4Link.
1. Raise the vehicle to a safe and comfortable working height and support it by the frame. You will need
to be able to move the rear differential up and down. Use a jack under the rear axle so it can be raised and
lowered as needed during the install.
2. Remove the bed, retaining the hardware for reassembly. This kit can NOT be
installed with the bed on. The bed requires minor modifications before reinstalling
it.
3. Remove the leaf springs and shock absorbers. Refer to the factory service manual for proper disassembly
procedures.
4. 4. The brake line bracket will need to be
removed from the top of the driver side frame
rail. This will be reattached later.
5. Unbolt the emergency brake cable bracket
from the driver side frame rail. It is located
between the axle and the front leaf spring
hanger. Retain the hardware for reassembly.
5.
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